Gt gain antennas , 0 . 6 m for the collection plate dish antennas . fired surface antenna gain of 35 dbm Gt ：发射天线增益，收发天线配置为0 . 6米板状抛物面天线，发射天线增益为35 dbm面
The only way to get sensitivity with little dishes is to have a lot of them , all looking at the same large field of view 要提高小抛物面天线敏感性的惟一方法是把很多小抛物面天线对准同一个大视野。
A truss deployable parabolic wave antenna is introduced to show the developing procedure of large space deployable antenna 最后作为大型可展开天线的研制实例，介绍了一个构架式网状可展开抛物面天线。
The basic hexahedral module can be deployed and stowed with the motion of the spring in the diagonal stretchy member , so is the whole structure 该抛物面天线的基本组成单元是六棱柱，其展开驱动力主要依靠对角杆件中的拉伸弹簧。
A calculation method and calculation results that show that a new kind of shaped paraboloid antennas can produce a ringy radiation pattern is presented 摘要通过数值计算发现：将抛物线绕通过焦点的非抛物线对称轴旋转而形成的赋形抛物面天线可产生环状的方向图主瓣（此主瓣指的是主瓣最大值处） 。
In this paper , we use method of array signal processing , analyze the continuous aperture antenna , modify the parabolic antenna to a new antenna system that possess the functional of the searching and tracking 利用阵列信号处理方法，对连续口径天线进行分析，将抛物面天线改进成为一种集搜索、跟踪于一体的新型天线。
Parabolic antenna in a widely used is tracking antenna area , by use the optimum design , it may produce a very narrow beam , it ' s tracking precision is high , but because it ' s beam width is very narrow , the searching target is very difficult 摘要抛物面天线是火控雷达中普遍使用的一种跟踪天线，通过系统优化设计，可以形成很窄的波束，所以其跟踪精度很高，因为其波束很窄，所以搜索发现目标困难。
The combination of fdtd method with physical optics is also used to analyze paraboloidal reflector antenna in millimeter band . using fdtd method , we obtains precise near fields of the feed because the computing areas include all the feed structure . the current on the paraboloidal reflector can be calculated by using physical optics , and then the far field of reflector can be calculated 在毫米波抛物面天线的分析计算中，把fdtd与物理光学法结合起来， fdtd用于具有精细结构的馈源及馈电波导一体计算，得到馈源的幅度和相位方向图，以此为依据调整馈源结构，使馈源的幅度和相位方向图为最佳状态。
While carrying out the scheme , at first , the basic theory of antenna , array antenna and electromagnetic absorption , the performance parameter of antenna and parabolic antenna are deeply researched . in conformity , the characteristic and calculation of aperture field and near - to - far - field transformation for radiation pattern are detailed analyzed . second , the factors such as , the amount of the antenna elements , mutual coupling between each element , ground and the buildings on earth ' s surface , which affect the performance of array antennas ’ resultant field are stressed discussed 在系统实现过程中,课题首先从天线、阵列天线,以及电磁场计算方法的基本理论着手,分析了天线与抛物面天线的各项性能参数,以及天线的口面场和近-远区辐射场的特点和计算;进而,更加深入的讨论和研究影响天线阵列合成场强的各项因素,包括系统所使用的天线单元个数对阵列合成场的影响、天线单元之间由于互耦造成的影响、传播过程中地面和/或地面建筑物的影响等。
